<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">{{message | capitalize}}</div>
    <script src="../js/vue.js" charset="utf-8"></script>
    <script type="text/javascript">
        new Vue({
            el: '#app',
            data: {
                message: 'new message'
            },
            filters: {
                capitalize: function (value) {
                    if(!value) return '';
                    value = value.toString();
                    return value.charAt(0).toUpperCase() + value.slice(1)
                }
            }
        })
    </script>
</body>
</html>
